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公开(公告)号:US3846142A
公开(公告)日:1974-11-05
申请号:US29014672
申请日:1972-09-18
申请人: BUZHINSKY I , ZHABOTINSKY M , GAPONTSEV V , DAVYDOV B , ALEXEEV N , SVERCHKOV E , RUDNITSKY J , KRAVCHENKO V , KORYAGINA E , IZYNEEV A
发明人: ZHABOTINSKY M , IZYNEEV A , KORYAGINA E , KRAVCHENKO V , RUDNITSKY J , SVERCHKOV E , ALEXEEV N , DAVYDOV B , BUZHINSKY I , GAPONTSEV V
IPC分类号: C03C3/16 , C03C3/17 , C03C3/19 , C03C3/21 , C03C4/00 , H01J3/16 , H01S3/16 , H01S3/17 , C03C3/30 , C09K1/36
摘要: 1. A GLASS FOR LASER USE COMPRISING THE FOLLOWING COMPONENTS, IN PRESENT BY WEIGHT-40-90% OF METAPHOSPHATES SELECTED FROM THE GROUP CONSISTING OF LI, NA, K, ZN, CD, BA, PB, MG, CA, AND SR, 5-50% OF PHOSPHATES OF ELEMENTS SELECTED FROM THE GROUP CONSISTING OF AL, ZR, B, AND CE, 1-7% OF TRIVALENT NEODYMIUM ND3+, AND 0.3-5% OF TRIVALENT YTTERBIUM UB3+, SAID GLASS HAVING A THERMAL EXPANSION COEFFICIENT IN THE RANGE OF 50-160X10**-7 1/DEGREE, A MICROHARDNESS IN THE RANGE OF 300-450 KG./MM,2,A QUANTUM EFFICIENCY OF TRANSMISSION OF ND3+>YB3+HIGHER THAN 0.7, THE SECTION OF STIMULATED EMISSION OF YTTERBIUM AT X=1060 NM. BEING EQUAL TO ABOUT 2.5-5X10**-21 CM.2, AND A MAXIMUM INVERSION AT ELECTRIC ENERGY OF PUMPING OF 80 JOULES/CM.3 IS 1.5 TO 2X10**19 1/CM.2.